尊敬的读者:接读者善意提醒,本人在《实用妇产科杂志》2014年第30卷2期上刊登的文章《唐氏综合征血清学产前筛查室内质控的目标与方法》一文中:第90页第1段第7行的“……对唐氏综合征的检出率≥0”应为“≥70%”;第10行的“……对唐氏综合征的检出率≥0”应为“≥80%”。经本人核实,确系原稿笔误,所幸读者指出,特此向广 Dear readers: The readers are kindly reminded, I was in the “Practical Obstetrics and Gynecology” 2014 Vol. 30 No. 2 published article “Down Syndrome serology prenatal screening indoor quality control objectives and methods” one article : 第 90 页 第 1 段 第 7 行 的 “...... The detection rate of Down Syndrome ≥ 0 ” should be “≥ 70% ”; Line 10 “... ... Down’s synthesis Levy detection rate ≥ 0 ”should be “ ≥ 80% ”. I verified, indeed the original clerical error, but fortunately the reader pointed out that hereby wide